em78f644nso28s ELAN Microelectronics Corp, em78f644nso28s Datasheet - Page 12

• Manufacturer Part Number: em78f644nso28s
• Description: Flash Series 8-bit Microcontroller
• Manufacturer: ELAN Microelectronics Corp

Function
Internal RC
Frequency
Operating
Commercial
-40°C~85°C
*
16 MHz
0°C~70°C
Voltage
4 MHz
8 MHz
455kHz
Industrial
UART
EM78F648/644/642/641/548/544/542/541N
8-Bit Microcontroller
EM78Fx48N
EM78Fx44N
EM78Fx42N
EM78Fx41N
2 •
SPI
I2C
*
NOT applicable to EM78F541N & EM78F641N
Part No.
Operating Voltage Range
Communciation Peripheral Configuration
Internal RC Drift Rate
communication
communication
Temperature
(-40°C~85°C)
EM78F648N
EM78F548N
Asynchronous
synchronous
EM78F648N
EM78F548N
Three wire
Address &
8 bits data
7 / 10 bits
2.4 ~ 5.5 V
2.6 ~ 5.5 V
Two wire
±3%
±3%
±3%
±3%
VDD
5.5 V
5.5 V
5.5 V
5.5 V
2.4 ~
2.2 ~
2.2 ~
2.2 ~
2.1 Features Selection Guide
Program
Memory
EM78F644N
EM78F544N
communication
communication
8K x 15
4K x 13
2K x 13
1K x 13
EM78F644N
EM78F544N
Asynchronous
(2.2V~5.5V)
2.2 ~ 5.5 V
2.4 ~ 5.5 V
synchronous
Three wire
bits
bits
bits
bits
Voltage
Two wire
±5%
±5%
±5%
±5%
x
Drift Rate
Memory
304 x 8
144 x 8
80 x 8
48 x 8
Data
bits
bits
bits
bits
EM78F642N
EM78F542N
EM78F642N
EM78F542N
2.2 ~ 5.5 V
2.4 ~ 5.5 V
Process
±2.5%
±2.5%
±2.5%
±2.5%
x
x
x
I/O 8-
40
25
18
14
bit
Timer
EM78F641N
EM78F541N
2
2
2
1
EM78F641N
EM78F541N
2.2 ~ 5.5 V
2.4 ~ 5.5 V
±10.5%
±10.5%
±10.5%
±10.5%
16-
bit
Total
1
1
1
0
x
x
x
10 bits
10 bits
PWM
2 ch x
2 ch x
x
x
communication
communication
(This specification is subject to change without further notice)
synchronous
synchronous
These are Green Products which do not
contain hazardous substances.
Two wire
Two wire
Special Features
•
•
EM78F648N/548N Package Types
•
•
•
•
EM78F644N/544N Package Types
•
•
•
•
EM78F642N/542N Package Types
•
•
•
•
•
EM78F641N/541N Package Types
•
•
•
UART
Programmable free running Watchdog Timer
Power-on voltage detector available
(2.0V ~ 2.1V)
44-pin QFP 10x10 mm: EM78Fx48NQ44J/S
40-pin DIP 600 mil:
28-pin SKDIP 300 mil:
28-pin SOP 300 mil:
28-pin SKDIP 300 mil:
28-pin SOP 300 mil:
24-pin SKDIP 300 mil:
24-pin SOP 300 mil:
20-pin DIP 300 mil:
20-pin SOP 300 mil:
20-pin SSOP 209 mil:
18-pin DIP 300 mil:
18-pin SOP 300 mil:
16-pin DIP 300 mil:
16-pin SOP 150 mil:
10-pin MSOP 118 mil:
x
x
Product Specification (V1.0) 05.05.2010
communication
communication
Asynchronous
Asynchronous
Three wire
Three wire
SPI
NOTE
x
x
EM78Fx48ND40J/S
EM78Fx48NK28J/S
EM78Fx48NSO28J/S
EM78Fx44NK28J/S
EM78Fx44NSO28J/S
EM78Fx44NK24J/S
EM78Fx44NSO24J/S
EM78Fx42ND20J/S
EM78Fx42NSO20J/S
EM78Fx42NSS20J/S
EM78Fx42ND18J/S
EM78Fx42NSO20J/S
EM78Fx41NAD16J/S
EM78Fx41NASO16J/S
EM78Fx41NMS10J/S
Address &
8 bits data
7 / 10 bits
I2C
x
x
x
28 SKDIP/SOP
28 SKDIP/SOP
24 SKDIP/SOP
20 DIP/SOP
18 DIP/SOP
16 DIP/SOP
Package
10 MSOP
44 QFP
40 DIP
Type